/**
 * Copyright (C) 2009 eXo Platform SAS.
 * 
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.portal.config.security;

import org.exoplatform.component.test.AbstractGateInTest;
import org.exoplatform.portal.config.UserACL;
import org.exoplatform.portal.config.UserACLMetaData;
import org.exoplatform.portal.config.model.Page;
import org.exoplatform.portal.config.model.PageNavigation;
import org.exoplatform.portal.config.model.PortalConfig;
import org.exoplatform.portal.mop.SiteKey;
import org.exoplatform.services.security.ConversationState;
import org.exoplatform.services.security.Identity;
import org.exoplatform.services.security.MembershipEntry;

import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

/**
 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
 * @version $Revision$
 */
public abstract class AbstractTestUserACL extends AbstractGateInTest
{

   protected UserACL ua;

   protected User root, administrator, manager, user, guest;

   @Override
   protected void setUp() throws Exception
   {
      UserACLMetaData md = new UserACLMetaData();
      md.setSuperUser("root");
      md.setGuestsGroups("/platform/guests");
      md.setPortalCreateGroups("*:/platform/administrators,*:/organization/management/executive-board");
      md.setNavigationCreatorMembershipType("manager");
      UserACL ua = new UserACL(md);
      User root = new User("root");
      User administrator = new User("administrator");
      administrator.addMembership("whatever", "/platform/administrators");
      User manager = new User("manager");
      manager.addMembership("manager", "/manageable");
      User user = new User("user");
      User guest = new User(null);

      //
      this.ua = ua;
      this.root = root;
      this.administrator = administrator;
      this.manager = manager;
      this.user = user;
      this.guest = guest;
   }

   public class User
   {

      private final Identity identity;

      private User(String id)
      {
         if (id != null)
         {
            Collection<String> roles = Collections.emptySet();
            Set<MembershipEntry> memberships = new HashSet<MembershipEntry>();
            identity = new Identity(id, memberships, roles);
         }
         else
         {
            identity = null;
         }
      }

      private String getId()
      {
         return identity != null ? identity.getUserId() : null;
      }

      public void addMembership(String type, String group)
      {
         identity.getMemberships().add(new MembershipEntry(group, type));
      }

      public void removeMembership(String type, String group)
      {
         for (Iterator<MembershipEntry> i = identity.getMemberships().iterator(); i.hasNext();)
         {
            MembershipEntry membership = i.next();
            if (type == null || type.equals(membership.getMembershipType()))
            {
               if (group == null || group.equals(membership.getGroup()))
               {
                  i.remove();
               }
            }
         }
      }

      public void removeMembershipByType(String type)
      {
         removeMembership(type, null);
      }

      public void removeMembershipByGroup(String group)
      {
         removeMembership(null, group);
      }

      public void run(Runnable runnable)
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            runnable.run();
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }

      public boolean hasEditPermission(SiteKey nav)
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            return ua.hasEditPermissionOnNavigation(nav);
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }

      public boolean hasPermission(Page page)
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            return ua.hasPermission(page);
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }

      public boolean hasEditPermission(Page page)
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            return ua.hasEditPermission(page);
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }

      public boolean hasPermission(PortalConfig portal)
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            return ua.hasPermission(portal);
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }

      public boolean hasEditPermission(PortalConfig portal)
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            return ua.hasEditPermission(portal);
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }

      public boolean hasCreatePortalPermission()
      {
         ConversationState.setCurrent(new ConversationState(identity));
         try
         {
            return ua.hasCreatePortalPermission();
         }
         finally
         {
            ConversationState.setCurrent(null);
         }
      }
   }
}
